Abstract
We have developed a high-performance continuous-wave terahertz imaging system based on photomixing. The emitter and detector are driven by compact, unstabilized, single-mode diode lasers. The all-optoelectronic, homodyne detection scheme yields both amplitude and phase information, and with careful optimization and matching of both emitter and receiver, a 60 dB dynamic range, at 0.53 THz, can be routinely achieved. This replicates the performance of established pulsed THz imagers at this frequency. © 2005 American Institute of Physics.
Original language | English |
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Article number | 204104 |
Pages (from-to) | 1-3 |
Number of pages | 2 |
Journal | Applied Physics Letters |
Volume | 86 |
Issue number | 20 |
DOIs | |
Publication status | Published - 16 May 2005 |
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